Adjustable support for an electric bed



FIG. 1 is a perspective view of an adjustable support for an electric bed showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is another perspective view thereof, showing the design in a position of use, and shown with broken lines that illustrate environmental subject matter. The broken lines form no part of the claimed design. 

CLAIM The ornamental design for an adjustable support for an electric bed, as shown and described. 